Re: looking for a way to print inverval from 2 notes

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On Mar 17, 2011, at 5:55 AM, christophe 1710 wrote:

Hello all,

i'm working on the different modal structure from a score and i woud like to print the half or full ton from one not to the next one!

\version "2.12.3"
\include "italiano.ly"
\header { }
TimeKey = { \key do \minor \time 12/8}
mi' {
            \clef treble
              \override Score.BarLine #'stencil = ##f
            \override Stem #'transparent = ##t
\override Staff.TimeSignature #'stencil = ##f

            sib4 dob reb mib fab solb
            }
\score {
    \new Staff {
    \new voice = "Violon" { \One}
    }
\layout {}
}

\startGroup and \stopGroup could be a solution but how to write bellow in the middle of the bracket the interval "1/2T" or "1T"

Thanks for your help all

regard
chris

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Analysis brackets currently do not allow for text.  You can do it, though, with a hack.

\layout {

\context {

\Voice \consists "Horizontal_bracket_engraver"

}}

#(define (foo txt height padding)

  (lambda (grob)

    (let* ((x-len (interval-length (ly:stencil-extent (ly:horizontal-bracket::print grob) X)))

          (dir (ly:grob-property grob 'direction))

          (text (grob-interpret-markup grob txt))

          (text-x (interval-length (ly:stencil-extent text X)))

          (text-y (interval-length (ly:stencil-extent text Y))))

    (ly:stencil-add

      (ly:stencil-translate text (cons (- (/ x-len 2) (/ text-x 2)) (* dir (+ (+ padding height) text-y))))

      (ly:stencil-add

        (make-line-stencil 0.1 0 0 (/ x-len 2) dir)

        (make-line-stencil 0.1 (/ x-len 2) dir x-len 0))))))

\relative c'' {

\once \override HorizontalBracket #'stencil = #(foo "T" 1 0.2)

c2\startGroup d\stopGroup

\once \override HorizontalBracket #'stencil = #(foo "1/2T" 1 0.2)

d2\startGroup ees\stopGroup

}

Cheers,

MS